Endress+Hauser Proline Promag H 200, Краткое руководство по эксплуатации

Страница: 26 / 48

Electrical connection Proline Promag H 200
26 Hauser
Transmitter
+
1
–
2
–
4
+
3
2.1 2.2 2.3
–
4
+
1
–
2
+
3
1.1 1.2 1.3
1 2
A0018179
1 4-20 mA HART connection version with additional outputs, without integrated overvoltage protection
1.1 Output 1 (passive): 4-20 mA HART
1.2 Output 2 (passive): no assignment, pulse/frequency/switch output or 4-20 mA
1.3 Ground terminal for cable shield
2
4-20 mA HART connection version with additional outputs, with integrated overvoltage protection
2.1 Output 1 (passive): 4-20 mA HART
2.2 Output 2 (passive): no assignment, pulse/frequency/switch output or 4-20 mA
2.3 Ground terminal for cable shield
7.1.4 Requirements for the supply unit
Supply voltage
An external power supply is required for each output. The following supply voltage values apply
for the 4-20 mA HART current output:
Order code for
"Output"
Minimum terminal voltage 1) 2) Maximum terminal voltage
• Option A : 4-20 mA HART
• Option B : 4-20 mA HART, pulse/
frequency/switch output
For 4 mA: ³ DC18 V
For 20 mA: ³ DC14 V
DC 35 V
1)
External supply voltage of the power supply unit with load (
®
ä 26)
2) For device versions with local display SD03: The terminal voltage must be increased by DC 2 V if backlighting is used.
Load
Load for current output: 0 to 500
W
, depending on the external supply voltage of the power
supply unit
Calculation of the maximum load
Depending on the supply voltage of the power supply unit (U
S
), the maximum load (R
B
) including
line resistance must be observed to ensure adequate terminal voltage at the device. In doing so,
observe the minimum terminal voltage (
®
ä
26)